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MP3376AGR-XXXX-Z

更新时间： 2024-11-25 19:11:35
品牌 Logo 应用领域
芯源 - MPS /
页数 文件大小 规格书
24页 708K
描述
Switching Regulator,

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MP3376AGR-XXXX-Z 技术参数

生命周期：Active包装说明：,
Reach Compliance Code：compliant风险等级：5.6
Base Number Matches：1

MP3376AGR-XXXX-Z 数据手册

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MP3376A  
8-Channel, Synchronous,  
Boost, WLED Driver with I2C Interface  
The Future of Analog IC Technology  
DESCRIPTION  
FEATURES  
The MP3376A is  
a
synchronous boost  
8 Channels with Max 50mA/Channel  
Synchronous Converter with LS-FET/HS-  
FET 160m/260mΩ On Resistance  
3V to 30V Input Voltage Range  
Up to 37.5V Output Voltage  
520mV LED Regulation Voltage at 20mA  
Max 2.5% Current Matching  
350kHz / 500kHz / 650kHz / 800kHz /  
950kHz / 1.2MHz / 1.8MHz / 2.4MHz  
Selectable Switching Frequency  
A0, A1 Pins for Four I2C Addresses  
0mA to 50mA Full-Scale LED Current, 8-Bit,  
0.196mA/Step  
converter with eight current channels designed  
to drive WLED arrays for LCD panels in tablets  
and notebook backlighting applications.  
The MP3376A uses peak-current-mode and  
pulse-width modulation (PWM) control to  
maintain boost converter regulation. The  
MP3376A employs a standard I2C digital  
interface to set the operation mode, switching  
frequency, full-scale current for each channel,  
sync or non-sync mode, dimming mode and  
duty, and various protection thresholds.  
The MP3376A features high efficiency due to  
low-headroom voltage for LED regulation and a  
small on resistance of the switching MOSFET.  
The synchronous rectifier saves PCB size and  
total BOM cost.  
Selectable Sync or Non-Sync Mode  
Multi-Dimming Operation Mode Including:  
o Analog Dimming through External PWM  
Input, 10-Bit Resolution  
o Analog Dimming through I2C Interface,  
10-Bit Resolution  
The MP3376A is available in a QFN-24  
(4mmx4mm) package.  
o Mixed Dimming Mode through External  
PWM Input with 6.25% / 12.5% / 25% /  
50% Transfer Point  
o Mixed Dimming Mode through I2C  
interface with 6.25% / 12.5% / 25% / 50%  
Transfer Point  
Customizable Default Register Values  
Linear Smooth Dimming with 2 / 4 / 8 / 16 /  
32 / 64 / 128µs Step-Slope Set  
Unused LED String Auto-Disable during  
Start-Up  
LED Short/Open, OTP, OCP, Inductor or  
Diode Short Protection  
o 2.5 / 5 / 7.5 / 10V LED Short Threshold  
o 24 / 31 / 37.5V OVP Threshold  
o 1.8 / 2.5A Current Limit  
Available in a QFN-24 (4mmx4mm) Package  
APPLICATIONS  
Tablets/Notebooks  
Automotive Displays  
All MPS parts are lead-free, halogen-free, and adhere to the RoHS directive. For  
MPS green status, please visit the MPS website under Quality  
Assurance. “MPS” and “The Future of Analog IC Technology” are registered  
trademarks of Monolithic Power Systems, Inc.  
MP3376A Rev.1.0  
8/24/2017  
www.MonolithicPower.com  
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.  
© 2017 MPS. All Rights Reserved.  
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